closes bpo-27494: Fix 2to3 handling of trailing comma after a generator expression (#3771)
diff --git a/Lib/lib2to3/fixer_util.py b/Lib/lib2to3/fixer_util.py
index babe6cb..2f9b1c2 100644
--- a/Lib/lib2to3/fixer_util.py
+++ b/Lib/lib2to3/fixer_util.py
@@ -101,8 +101,8 @@
test.prefix = " "
if_leaf = Leaf(token.NAME, "if")
if_leaf.prefix = " "
- inner_args.append(Node(syms.comp_if, [if_leaf, test]))
- inner = Node(syms.listmaker, [xp, Node(syms.comp_for, inner_args)])
+ inner_args.append(Node(syms.old_comp_if, [if_leaf, test]))
+ inner = Node(syms.listmaker, [xp, Node(syms.old_comp_for, inner_args)])
return Node(syms.atom,
[Leaf(token.LBRACE, "["),
inner,
@@ -208,7 +208,7 @@
next = getattr(next, attr)
p0 = """for_stmt< 'for' any 'in' node=any ':' any* >
- | comp_for< 'for' any 'in' node=any any* >
+ | old_comp_for< 'for' any 'in' node=any any* >
"""
p1 = """
power<